Cantilever for dynamic (intermittent) AFM (09700-99) for intermittent mode AFM Material: Si, monolithic Reflex coating: Aluminium Chip holder: 3.4 x 1.6 x 0.3 mm, with alignment grooves Resonance frequency: 190 kHz Spring constant: 48 N/m Lenght: 0.225mm Width: 0.038mm Tip radius: less than 10nm 10 pcs Weight: 0.04 kg